Which of the following steep-roof materials has the longest history of use?
A) Clay tile
B) Asphalt shingle
C) Wood shingle
D) Concrete tile
E) Slate roofs
E) Slate roofs
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In assembly modeling, the copies of a component within the system are called ____.
A. features B. concepts C. parts D. instances
Horses drink _____ to _____ gallons of water a day
a. one, two c. eight, ten b. four, six d. ten, twelve
Technician A says a pressure switch is used to monitor precise pressures. Technician B says if voltage is not present to the oil pressure switch with the ignition in the RUN position, the warning lamp bulb may be burned out. Who is correct?
A. Technician A only B. Technician B only C. Both Technician A and B D. Neither Technician A nor B
An increase in pressure from the inlet to outlet port of an operating circulator is the “evidence” that ____ has been added to the fluid.
a. more volume b. thermal dynamics c. antifreeze d. head energy